# ARM64 Version of MarketData Feeds designed to run on Raspbian system on a PI 5 16G RAM, 256Gig U30 SD Card. ****************************************************************************************************** Adding notes on MariaDb as I plan to migrate the MySql over to one of the Raspberry PI 4 B's https://hevodata.com/learn/mysql-to-mariadb/ ******************************************************************************************************* ARM version of marketdata libraries. sudo truncate syslog -- size 0 more on syslog and journal https://ubuntuforums.org/showthread.php?t=2495218 https://stackoverflow.com/questions/16995425/how-does-cmd-dev-null-21-work journalctl --disk-usage # See log file disk use sudo journalctl --vacuum-size=200M # Drop log file size to 200M, if possible. sudo journalctl --vacuum-time=10d # Drop logs, over 10 days old DEV NULL ping a.b.c > /dev/null 2>&1 CRON SCHEDULE ** THE LATEST AND GREATEST IS ALWAYS AT THE BOTTOM Also note that 1>/dev/null is synonymous to, but more explicit than >/dev/null # sudo service cron reload , sudo service cron restart # cron helper app here -> https://cron.help/#*/5_9-17_*_*_1-5 DOTNET_ROOT=/opt/dotnet */15 6-16 * * 1-5 /opt/MarketData/MarketData/mk LOADHEADLINESWATCHLIST /WATCHLIST:Valuations 2>&1 | logger -t headlines */5 5-16 * * 1-5 /opt/MarketData/MarketData/mk LOADPREMARKETDATA 2>&1 | logger -t premarket */5 9-16 * * 1-5 /opt/MarketData/MarketData/mk UPDATELATESTPRICEOPENPOSITIONS 2>&1 | logger -t priceopenpositions */5 9-16 * * 1-5 /opt/MarketData/MarketData/mk UPDATELATESTPRICEWATCHLIST /WATCHLIST:Valuations 2>&1 | logger -t pricewatchlist */30 9-16 * * 1-5 /opt/MarketData/MarketData/mk UPDATELATESTANALYSTRATINGS 2>&1 | logger -t analystratings 0 19 * * 1-5 /opt/MarketData/MarketData/mk UPDATEDAILY2 /DATE:$(date -d"-0 days" +\%m-\%d-\%Y) 2>&1 | logger -t updatedaily2 */15 6-16 * * 1-5 /opt/MarketData/MarketData/mk LOADHEADLINESWATCHLIST /WATCHLIST:Valuations > /dev/null 2>&1 */5 5-16 * * 1-5 /opt/MarketData/MarketData/mk LOADPREMARKETDATA > /dev/null 2>&1 */5 9-16 * * 1-5 /opt/MarketData/MarketData/mk UPDATELATESTPRICEOPENPOSITIONS > /dev/null 2>&1 */5 9-16 * * 1-5 /opt/MarketData/MarketData/mk UPDATELATESTPRICEWATCHLIST /WATCHLIST:Valuations > /dev/null 2>&1 */30 9-16 * * 1-5 /opt/MarketData/MarketData/mk UPDATELATESTANALYSTRATINGS 2>&1 | logger -t analystratings 0 19 * * 1-5 /opt/MarketData/MarketData/mk UPDATEDAILY2 /DATE:$(date -d"-0 days" +\%m-\%d-\%Y) > /dev/null 2>&1 # m h dom mon dow command # sudo service cron reload , sudo service cron restart # cron helper app here -> https://cron.help/#*/5_9-17_*_*_1-5 DOTNET_ROOT=/opt/dotnet CRON_DIR=/opt/MarketData/MarketData */15 6-16 * * 1-5 cd $CRON_DIR ; /opt/MarketData/MarketData/mk LOADHEADLINESWATCHLIST /WATCHLIST:Valuations > /dev/null 2>&1 */5 5-16 * * 1-5 cd $CRON_DIR ; /opt/MarketData/MarketData/mk LOADPREMARKETDATA > /dev/null 2>&1 */5 9-16 * * 1-5 cd $CRON_DIR ; /opt/MarketData/MarketData/mk UPDATELATESTPRICEOPENPOSITIONS > /dev/null 2>&1 */5 9-16 * * 1-5 cd $CRON_DIR ; /opt/MarketData/MarketData/mk UPDATELATESTPRICEWATCHLIST /WATCHLIST:Valuations > /dev/null 2>&1 */30 9-16 * * 1-5 cd $CRON_DIR ; /opt/MarketData/MarketData/mk UPDATELATESTANALYSTRATINGS > /dev/null 2>&1 0 19 * * 1-5 cd $CRON_DIR ; /opt/MarketData/MarketData/mk UPDATEDAILY2 /DATE:$(date -d"-0 days" +\%m-\%d-\%Y) > /dev/null 2>&1